A randomized 25 question test from a pool of 761 questions, good luck!
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input status register?
A modern DCS needs to be able to respond to growing demands. Which of the terms below is best defined as the measure of a system's ability to increase or decrease in performance and cost in response to changes in application and system processing demands.
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a holding registers would use?
IPv4 network classes can also be defined by the default subnet masks that they use. If the subnet mask was 255.255.0.0, which of the classes below would be used?
There are several different network access methods available to wireless Ethernet. Which of the methods below is the one used by wireless Ethernet?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the largest in area covered?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that the scanner module receives information communicated digitally from up to 63 supported devices?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a analog input memory location?
In IPv4, the user datagram protocol has less latency and measurable greater data throughput. Which of the answers below can be a drawback of this protocol?
The term "Modem" relates best to which of the answers below?
Which of the data transmission modes below best is described as a two way alternating transmission?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best represent the image below?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage transitions to represent logic states?
There are several stages in the alarm lifecycle. Which of these stages has the continuous overseeing and documentation of the performance of the alarm system?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would allow various workstations to receive data from servers and controllers?
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow the control strategy to be programmed once the I/O for the controllers was configured?
Which answer below is best described as the RS-232 standard for voltage range to transmit a "Mark"?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "A"?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will solve multiple DA server scalability issues?
Balanced and unbalanced signal systems have several differences. Which of the answers below best represents one of those differences?
In the protocol specifications of Modbus, there are standard 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the coils register addresses?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that accommodates the HART devices point-to-point connection?
Which of the DeviceNet components below is best described as being used where solely ingress protection is not needed?
In the transmission control protocol validates that the destination has received the information packet sent. Which of the header components below is responsible for this verification?
There are several data access methods used to transmit data. Which of the answers below can be described as a single controlling device commences communication with the responding devices attached to the same network?